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Commit 320bbb86 authored by Marek Vasut's avatar Marek Vasut Committed by Eric Miao
Browse files

[ARM] pxa/z2: Add regulator support 



Register TPS65021 regulator in Zipit Z2.

Signed-off-by: default avatarMarek Vasut <marek.vasut@gmail.com>
Signed-off-by: default avatarEric Miao <eric.y.miao@gmail.com>
parent 9c3fca2e

arch/arm/mach-pxa/z2.c

+71 −0
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ 
#include <linux/gpio.h>

#include <linux/gpio_keys.h>

#include <linux/delay.h>

#include <linux/regulator/machine.h>



#include <asm/mach-types.h>

#include <asm/mach/arch.h>
@@ -609,6 +610,75 @@ static void __init z2_spi_init(void) 
static inline void z2_spi_init(void) {}

#endif



/******************************************************************************

 * Core power regulator

 ******************************************************************************/

#if defined(CONFIG_REGULATOR_TPS65023) || \

	defined(CONFIG_REGULATOR_TPS65023_MODULE)

static struct regulator_consumer_supply z2_tps65021_consumers[] = {

	{

		.supply	= "vcc_core",

	}

};



static struct regulator_init_data z2_tps65021_info[] = {

	{

		.constraints = {

			.name		= "vcc_core range",

			.min_uV		= 800000,

			.max_uV		= 1600000,

			.always_on	= 1,

			.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,

		},

		.consumer_supplies	= z2_tps65021_consumers,

		.num_consumer_supplies	= ARRAY_SIZE(z2_tps65021_consumers),

	}, {

		.constraints = {

			.name		= "DCDC2",

			.min_uV		= 3300000,

			.max_uV		= 3300000,

			.always_on	= 1,

		},

	}, {

		.constraints = {

			.name		= "DCDC3",

			.min_uV		= 1800000,

			.max_uV		= 1800000,

			.always_on	= 1,

		},

	}, {

		.constraints = {

			.name		= "LDO1",

			.min_uV		= 1000000,

			.max_uV		= 3150000,

			.always_on	= 1,

		},

	}, {

		.constraints = {

			.name		= "LDO2",

			.min_uV		= 1050000,

			.max_uV		= 3300000,

			.always_on	= 1,

		},

	}

};



static struct i2c_board_info __initdata z2_pi2c_board_info[] = {

	{

		I2C_BOARD_INFO("tps65021", 0x48),

		.platform_data	= &z2_tps65021_info,

	},

};



static void __init z2_pmic_init(void)

{

	pxa27x_set_i2c_power_info(NULL);

	i2c_register_board_info(1, ARRAY_AND_SIZE(z2_pi2c_board_info));

}

#else

static inline void z2_pmic_init(void) {}

#endif



/******************************************************************************

 * Machine init

 ******************************************************************************/
@@ -629,6 +699,7 @@ static void __init z2_init(void) 
	z2_pwm_init();

	z2_leds_init();

	z2_keys_init();

	z2_pmic_init();

}



MACHINE_START(ZIPIT2, "Zipit Z2")